Home / 13,587.24-20,384.04-4,226.80

Finding the Fourth Proportional to 13,587.24, 20,384.04 and 4,226.80

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Solution

The fourth proportional to 13,587.24, 20,384.04 and 4,226.80 is: 6,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.24 : 20,384.04 = 4,226.80 : x
  2. Step 2: Convert to fraction form
    13,587.24/20,384.04 = 4,226.80/x
  3. Step 3: Cross multiply
    13,587.24x = 20,384.04 × 4,226.80
  4. Step 4: Simplify right side
    13,587.24x = 86,159,260.27
  5. Step 5: Solve for x
    x = 86,159,260.27/13,587.24
  6. Step 6: Final answer
    x = 6,341.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.